Method and composition for improving the functioning of drip irrigation systems

Abstract

The present invention relates to a method for improving the smooth functioning of drip irrigation utilizing some nitrogen-based compositions.

We claim: 
     
       1. A method for improving the smooth functioning of drip irrigation by applying a nitrogen-based composition being characterized by the fact that the said composition comprises urea nitrate which provides a pH ranging from about 0.05 to about 3.0, when urea nitrate is added to an aqueous solution in a quantity ranging from about 28 to 0.1 percent respectively based on the weight of the said aqueous solution. 
     
     
       2. A method for improving the smooth functioning of drip irrigation according to claim 1, wherein said composition further comprises one or more fertilizers selected from the group consisting of urea, urea phosphate, ammonium polyphosphate, mono-ammonium phosphate, potassium nitrate, potassium chloride. 
     
     
       3. A method for improving the smooth functioning of drip irrigation according to claim 1, wherein the pH of the outgoing solution is in the range of 0.25 to 2.6. 
     
     
       4. A method for improving the smooth functioning of drip irrigation according to claim 1, carried out through fertilizer tanks, fertilizer pumps or venturi-type meters. 
     
     
       5. The method of claim 2, wherein said composition has an N:P:K ratio of about 1:1:0. 
     
     
       6. The method of claim 2, wherein said composition has an N:P:K ratio of about 2:1:0. 
     
     
       7. The method of claim 2, wherein said composition has an N:P:K ratio of about 1:1:1. 
     
     
       8. The method of claim 2, wherein said composition has an N:P:K ratio of about 2:1:1. 
     
     
       9. The method of claim 2, wherein said composition has an N:P:K ratio of about 1:0:1. 
     
     
       10. The method of claim 2, wherein said composition comprises urea nitrate and urea phosphate. 
     
     
       11. The method of claim 2, wherein said composition comprises urea nitrate and ammonium polyphosphate. 
     
     
       12. The method of claim 2, wherein said composition comprises urea nitrate and urea. 
     
     
       13. The method of claim 2, wherein said composition comprises urea nitrate and potassium chloride.